cc-1.0.x-dev/modules/cc_account/cc_account.links.action.yml

entity.cc_account.add_page:
  route_name: entity.cc_account.add_page
  title: 'Add account'
  appears_on:
    - entity.cc_account.collection

entity.cc_account_type.add_form:
  route_name: entity.cc_account_type.add_form
  title: 'Add account type'
  appears_on:
    - entity.cc_account_type.collection